Common in 请柬 (qǐngjiǎn, written invitation). It is also the short form of 柬埔寨 (Jiǎnpǔzhài, Cambodia), so in news headlines 柬 alone can stand for the country.
Components
ideograph
柬jiǎn
card; note; to select
A bundle 束 with a small mark 八 set inside it, picturing the act of picking one item out of a tied package; the original sense was to select. The strokes interlock into one unit. Indexed under Kangxi radical 75 木 (wood) by tradition.
Filed under radical 木 (mù, #75) by convention. 木 is not a separate component in 柬, so no strokes are highlighted.